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GJJOARGETL-LOMAX,` OF SOMERVILLE,MASSACHUSETTS, ASSIGNOR TO HIM- sELF Montesano D. BLINN, OF LEXINGTON, MASSACHUSETTS.

Lettef.'.t .Patent No. 69,351, dated October 1, i867,

'IMPROVEMENT 1N roULTRY DRINKING-FOUNTAIN.

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TO ALL PERSONS TO WHOM THESEPRESENTS SHALL COME:

Be it known that I, GEORGE H. LOMAX, of Somerville, in the county' of Middlesex, and State of Massaeliw setts, have invented a new and useful or improved Poultry DrinkingFountain; and do hereby declare the same to be fullydescribed in the following specification, and represented in the accompanying drawings, of which- Figurev 1 is a top view, l

Figure 2 a bottoni4 view, and

Figure 3 a vertical and transverse section of it, the pla-ne of section being through the water-port or discharging opening. l

vIn these drawings, A denotes a shallow dish or common trough, having .a reservoir, B, elevated on its bottom-a, and concentric with the-trough, such reservoir being closed at top, and provided with a water-port or discharging opening, b, leading through the lower part of it, and into the trough. The upper edge o f this'hole should be below the level of the upper edge of the rim c of the trough. The bottom of the trough and reservoir has naomi-spherical or conical chamber, d, formedvin it, such chamber having a hole, e, leading from it into the reservoir. The said chamber d answers two purposes, viz, as a mouth or tunnel to receive water and direct it into the. hole e, and as a recess for'that part of a cork Or stopper which, projecting from the hole,'is seized by the thumb and vlinger of a person in order to extract the cork from the hole. The, reservoir, when inverted, is tobe filled with water through theopening e, after which a cork or-stopper is to be inserted therein so aste project into thechamber el. )n turning over the drinking-fountain, the water will run through the opening-b into the trough, until it may reach a height therein corresponding to the depth of tho'oriice b. As the 'water may be drawn from the trough bypoultry drinking it therefrom, the amount eitracted willbe supplied from the reservoir,` for as soon as'the water inthe trofugh may fall below the level ofthe top of the orifice b', air will pass through the orifice and into the reservoir, and wili displace a portion of water sucient to restore the water in the trough to its proper level. Thus, while the water in the reservoir may,he above the level of the top ofthe opening b, the water in the trough ,will be maintained at a constant or practically constant level.-

I am aware that my poultry-fountain is analogous to the barometer inks'tand, that is, it hasl a reservoir, a trough, andan opening leading from one to the other, the process ofllling the inkstand with ink being eected through the trough and the Opening. This, however, could not be, conveniently 4etlected with the poultry drinking fountain, providedwith a' trough to extend entirely around. i-ts reservoir. Therefore, to enableA the fountain to be filled to advantage, I make it witha dat top, as shown at f, and with a hole, e, through its bottom, the ilat top being to enable the fountain, when inverted, to be supported in a horizontalposition or thercahonts 'on the ground or table by resting on such hat top. And I also make the fountain with the recess d, for the purpose or objects hereinbefore described.l The whole article I usually construct in one piece, moulded inpore'elairr or clay, and afterwards indurat'ed by. heat or it may beV made of metal or other suitable material. I prefer what is termed the stone-ware. i v f I do notfthereforegclaim the --principle ofi the fbarometer inksta'nd, so far as it constitutes geert of my drir 1l in'g-fount'ain.` I j y I claim as Amy invention or improvement in the above-described poultry drinking-fontaine i The combination and arrangement of the lling opening c and the recess d with the reservoir B and the trough A, such reservoir beingprovided with a discharge opening, b, arranged as specied..

I i I also claim thoconstrnction of `the poultry drinking-fountain with'nthe fiat top to therescrvoir, in combi-l nation withthc filling orifice c, or the same. andthe. recess d, arranged inV its bottom, as set forth.

' GEO. It. LOMAX. 

